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miniprogram/pages/admin-dashboard/index.js

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+const { request } = require('../../utils/request')
+
+Page({
+  data: {
+    loading: false,
+    stats: null,
+    kpis: [],
+    bars: [],
+    sourceDist: [],
+    topKeywords: []
+  },
+
+  formatPercent(value, digits = 2) {
+    const num = Number(value || 0)
+    return `${(num * 100).toFixed(digits)}%`
+  },
+
+  onShow() {
+    this.fetchStats()
+  },
+
+  onPullDownRefresh() {
+    this.fetchStats(true)
+  },
+
+  normalizeKpis(stats) {
+    return [
+      { label: '系统用户', value: stats.user_count || 0 },
+      { label: '发布总量', value: stats.post_count || 0 },
+      { label: '拦截总量', value: stats.blocked_count || 0 },
+      { label: '待处理申诉', value: stats.pending_appeal_count || 0 },
+      { label: '训练样本', value: stats.sample_count || 0 },
+      { label: '近7天拦截率', value: this.formatPercent(stats.blocked_ratio_7d, 2) }
+    ]
+  },
+
+  normalizeBars(trend) {
+    const rows = Array.isArray(trend) ? trend : []
+    const maxVal = Math.max(1, ...rows.map((r) => Number(r.post_count || 0)))
+    return rows.map((row) => {
+      const value = Number(row.post_count || 0)
+      const ratio = value / maxVal
+      return {
+        ...row,
+        value,
+        percent_text: `${Math.max(6, Math.round(ratio * 100))}%`
+      }
+    })
+  },
+
+  async fetchStats(fromPullDown = false) {
+    this.setData({ loading: true })
+    try {
+      const stats = await request({ url: '/admin/stats' })
+      const normalizedStats = {
+        ...stats,
+        threshold_text: stats && stats.threshold ? this.formatPercent(stats.threshold.spam_threshold, 1) : '--'
+      }
+      this.setData({
+        stats: normalizedStats,
+        kpis: this.normalizeKpis(normalizedStats),
+        bars: this.normalizeBars(normalizedStats.trend_7d || []),
+        sourceDist: normalizedStats.source_distribution || [],
+        topKeywords: normalizedStats.top_keywords || []
+      })
+    } finally {
+      this.setData({ loading: false })
+      if (fromPullDown) wx.stopPullDownRefresh()
+    }
+  }
+})

miniprogram/pages/admin-dashboard/index.json

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+{
+  "navigationBarTitleText": "运营看板",
+  "enablePullDownRefresh": true
+}

miniprogram/pages/admin-dashboard/index.wxml

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+<view class="container">
+  <view class="hero fade-up">
+    <view class="hero-badge">OPS DASHBOARD</view>
+    <view class="hero-title">垃圾信息运营看板</view>
+    <view class="hero-sub">覆盖发布、拦截、申诉、样本与模型状态，支持日常运营与风险监控。</view>
+  </view>
+
+  <view class="card fade-up fade-up-delay-1" wx:if="{{kpis.length}}">
+    <view class="card-title">核心指标</view>
+    <view class="grid-2">
+      <view class="kpi" wx:for="{{kpis}}" wx:key="label">
+        <view class="kpi-value">{{item.value}}</view>
+        <view class="kpi-label">{{item.label}}</view>
+      </view>
+    </view>
+  </view>
+
+  <view class="card fade-up fade-up-delay-2" wx:if="{{stats && stats.threshold}}">
+    <view class="card-title">检测阈值配置</view>
+    <view class="row"><text class="label">当前阈值</text><text class="value">{{stats.threshold_text}}</text></view>
+    <view class="row"><text class="label">更新时间</text><text class="value">{{stats.threshold.updated_at || '--'}}</text></view>
+  </view>
+
+  <view class="card fade-up fade-up-delay-2" wx:if="{{stats && stats.model_info}}">
+    <view class="card-title">模型信息</view>
+    <view class="row"><text class="label">模型版本</text><text class="value">{{stats.model_info.version || '未训练'}}</text></view>
+    <view class="row"><text class="label">训练时间</text><text class="value">{{stats.model_info.trained_at || '--'}}</text></view>
+    <view class="row"><text class="label">样本数量</text><text class="value">{{stats.model_info.sample_count || 0}}</text></view>
+  </view>
+
+  <view class="card fade-up fade-up-delay-3" wx:if="{{bars.length}}">
+    <view class="card-title">近 7 天发布趋势</view>
+    <view class="list-item" wx:for="{{bars}}" wx:key="date">
+      <view class="row">
+        <text class="label">{{item.label}}</text>
+        <text class="value">{{item.value}} 条</text>
+      </view>
+      <view class="progress-track">
+        <view class="progress-fill-safe" style="width: {{item.percent_text}};"></view>
+      </view>
+    </view>
+  </view>
+
+  <view class="card fade-up fade-up-delay-3" wx:if="{{sourceDist.length}}">
+    <view class="card-title">训练样本来源</view>
+    <view class="list-item" wx:for="{{sourceDist}}" wx:key="name">
+      <view class="row"><text class="item-title">{{item.name}}</text><text class="value">{{item.value}}</text></view>
+    </view>
+  </view>
+
+  <view class="card fade-up fade-up-delay-3" wx:if="{{topKeywords.length}}">
+    <view class="card-title">高频风险词</view>
+    <view class="chip-group">
+      <text class="tag" wx:for="{{topKeywords}}" wx:key="token">{{item.token}} × {{item.count}}</text>
+    </view>
+  </view>
+</view>

miniprogram/pages/admin-dashboard/index.wxss

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+/* admin-dashboard styles use global theme */